Answer:
Step-by-step explanation:
1. 2x + y
2. 48 + 60 = 108
3. 840 - 210 = 630
Answer:
by counting the numbers
Step-by-step explanation:
1 + 1 + 1 + 1 + 1 etc
1.65
You can use a calculator or use long division
Step-by-step explanation:
Average mean = (q1 + q2 + q3)/3.